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clog/clog-gui.lisp
David Botton 43c4f7adf8 Window close and window menu improvements
2021-02-14 21:37:06 -05:00

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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; CLOG - The Common Lisp Omnificent GUI ;;;;
;;;; (c) 2020-2021 David Botton ;;;;
;;;; License BSD 3 Clause ;;;;
;;;; ;;;;
;;;; clog-gui.lisp ;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(cl:in-package :clog)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Implementation - clog-gui - Desktop GUI abstraction
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defconstant menu-bar-height 37)
(defconstant top-bar-height 20)
(defclass clog-gui ()
((body
:accessor body
:documentation "Top level access to browser window")
(current-win
:accessor current-win
:initform nil
:documentation "The current window at front")
(windows
:accessor windows
:initform (make-hash-table :test 'equalp)
:documentation "Window collection indexed by html-id")
(last-z
:accessor last-z
:initform -9999
:documentation "Top z-order for windows")
(last-x
:accessor last-x
:initform 0
:documentation "Last default open x point")
(last-y
:accessor last-y
:initform menu-bar-height
:documentation "Last default open y point")
(copy-buf
:accessor copy-buf
:initform ""
:documentation "Copy buffer")
(in-drag
:accessor in-drag
:initform nil
:documentation "Drag window or Size window")
(drag-obj
:accessor drag-obj
:initform nil
:documentation "Drag target object")
(drag-x
:accessor drag-x
:documentation "Location of the left side or width relative to pointer during drag")
(drag-y
:accessor drag-y
:documentation "Location of the top or height relative to pointer during drag")
(window-select
:accessor window-select
:initform nil
:documentation "If installed a drop down that selects window to maximize")
(on-window-change
:accessor on-window-change
:initform nil
:documentation "Fired when foreground window changed.")))
;;;;;;;;;;;;;;;;;;;;;
;; create-clog-gui ;;
;;;;;;;;;;;;;;;;;;;;;
(defun create-clog-gui (clog-body)
"Create a clog-gui object and places it in CLOG-BODY's connection-data as
\"clog-gui\". (Private)"
(let ((clog-gui (make-instance 'clog-gui)))
(setf (connection-data-item clog-body "clog-gui") clog-gui)
(setf (body clog-gui) clog-body)
clog-gui))
;;;;;;;;;;;;;;;;;;;;;;;;;
;; clog-gui-initialize ;;
;;;;;;;;;;;;;;;;;;;;;;;;;
(defun clog-gui-initialize (clog-body &key (w3-css-url "/css/w3.css")
(jquery-ui-css "/css/jquery-ui.css")
(jquery-ui "/js/jquery-ui.js"))
"Initializes clog-gui and installs a clog-gui object on connection."
(create-clog-gui clog-body)
(set-on-full-screen-change (html-document clog-body)
(lambda (obj)
(when (current-window obj)
(when (last-width (current-window obj))
(window-normalize (current-window obj))
(window-maximize (current-window obj))))))
(set-on-orientation-change (window clog-body)
(lambda (obj)
(when (current-window obj)
(when (last-width (current-window obj))
(window-normalize (current-window obj))
(window-maximize (current-window obj))))))
(when w3-css-url
(load-css (html-document clog-body) w3-css-url))
(when jquery-ui-css
(load-css (html-document clog-body) jquery-ui-css))
(when jquery-ui
(load-script (html-document clog-body) jquery-ui)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Implementation - Menus
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;
;; create-gui-menu-bar ;;
;;;;;;;;;;;;;;;;;;;;;;;;;
(defclass clog-gui-menu-bar (clog-div)()
(:documentation "Menu bar"))
(defgeneric create-gui-menu-bar (clog-obj &key class html-id)
(:documentation "Attached a menu bar to a CLOG-OBJ in general a
clog-body."))
(defmethod create-gui-menu-bar ((obj clog-obj)
&key (class "w3-bar w3-black w3-card-4")
(html-id nil))
(let ((div (create-div obj :class class :html-id html-id)))
(change-class div 'clog-gui-menu-bar)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; create-gui-menu-drop-down ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defclass clog-gui-menu-drop-down (clog-div)()
(:documentation "Drop down menu"))
(defgeneric create-gui-menu-drop-down (clog-gui-menu-bar
&key content class html-id)
(:documentation "Attached a menu bar drop-down to a CLOG-GUI-MENU-BAR"))
(defmethod create-gui-menu-drop-down ((obj clog-gui-menu-bar)
&key (content "")
(class "w3-dropdown-content w3-bar-block w3-card-4")
(html-id nil))
(let* ((hover (create-div obj :class "w3-dropdown-hover"))
(button (create-button hover :class "w3-button" :content content))
(div (create-div hover :class class :html-id html-id)))
(declare (ignore button))
(change-class div 'clog-gui-menu-drop-down)))
;;;;;;;;;;;;;;;;;;;;;;;;;;
;; create-gui-menu-item ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;
(defclass clog-gui-menu-item (clog-span)()
(:documentation "Menu item"))
(defgeneric create-gui-menu-item (clog-gui-menu-drop-down
&key content
on-click
class
html-id)
(:documentation "Attached a menu item to a CLOG-GUI-MENU-DROP-DOWN"))
(defmethod create-gui-menu-item ((obj clog-obj)
&key (content "")
(on-click nil)
(class "w3-bar-item w3-button")
(html-id nil))
(let ((span
(create-span obj :content content :class class :html-id html-id)))
(set-on-click span on-click)
(change-class span 'clog-gui-menu-item)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; create-gui-menu-window-select ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defclass clog-gui-menu-window-select (clog-select)()
(:documentation "Drop down containing windows. Selecting a window
will maximize it on top."))
(defgeneric create-gui-menu-window-select (clog-gui-menu-drop-down
&key class
html-id)
(:documentation "Attached a menu item to a CLOG-GUI-MENU-DROP-DOWN"))
(defmethod create-gui-menu-window-select
((obj clog-obj)
&key (class "w3-select")
(html-id nil))
(let ((window-select (create-select obj :class class :html-id html-id))
(app (connection-data-item obj "clog-gui")))
(change-class window-select 'clog-gui-menu-window-select)
(setf (window-select app) window-select)
(set-on-change window-select (lambda (obj)
(let ((win (gethash (value obj) (windows app))))
(when win
(window-maximize win)))))
(create-option window-select :content "Select Window")
window-select))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; create-gui-menu-full-screen ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric create-gui-menu-full-screen (clog-gui-menu-bar &key html-id)
(:documentation "Add as last item in menu bar to allow for a full screen
icon ⤢ and full screen mode."))
(defmethod create-gui-menu-full-screen ((obj clog-gui-menu-bar)
&key (html-id nil))
(create-child obj
" <span class='w3-bar-item w3-right' style='user-select:none;'
onClick='if (document.fullscreenElement==null) {
documentElement.requestFullscreen()
} else {document.exitFullscreen();}'>⤢</span>"
:html-id html-id
:clog-type 'clog-gui-menu-item))
;;;;;;;;;;;;;;;;;;;;;;;;;;
;; create-gui-menu-icon ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric create-gui-menu-icon (clog-gui-menu-bar &key image-url
on-click
class
html-id)
(:documentation "Add icon as menu bar item."))
(defmethod create-gui-menu-icon ((obj clog-gui-menu-bar)
&key (image-url "/img/clogwicon.png")
(on-click nil)
(class "w3-button w3-bar-item")
(html-id nil))
(set-on-click
(create-child obj
(format nil "<button class='~A'>~
<img height=22 src='~A'></button>"
class
image-url)
:html-id html-id
:clog-type 'clog-gui-menu-item)
on-click))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Implementation - Window System
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;
;; current-window ;;
;;;;;;;;;;;;;;;;;;;;
(defgeneric current-window (clog-obj)
(:documentation "Get the current selected clog-gui-window"))
(defmethod current-window ((obj clog-obj))
(let ((app (connection-data-item obj "clog-gui")))
(current-win app)))
;;;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-window-change ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-window-change (clog-obj handler)
(:documentation "Set the on-window-change HANDLER.
The on-window-change clog-obj received is the new window"))
(defmethod set-on-window-change ((obj clog-obj) handler)
(let ((app (connection-data-item obj "clog-gui")))
(setf (on-window-change app) handler)))
(defmethod fire-on-window-change (obj app)
"Fire handler if set. Change the value of current-win to clog-obj (Private)"
(unless obj
(let (new-order
(order -9999))
(maphash (lambda (key value)
(declare (ignore key))
(setf new-order (z-index value))
(when (>= new-order order)
(setf order new-order)
(setf obj value)))
(windows app))))
(setf (current-win app) obj)
(when (on-window-change app)
(funcall (on-window-change app) obj)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Implementation - Individual Windows
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defclass clog-gui-window (clog-element)
((win-title
:accessor win-title
:documentation "Window title clog-element")
(title-bar
:accessor title-bar
:documentation "Window title-bar clog-element")
(content
:accessor content
:documentation "Window body clog-element")
(closer
:accessor closer
:documentation "Window closer clog-element")
(sizer
:accessor sizer
:documentation "Window sizer clog-element")
(last-width
:accessor last-width
:initform nil
:documentation "Last width before maximize")
(last-height
:accessor last-height
:initform nil
:documentation "Last heigth before maximize")
(last-x
:accessor last-x
:initform nil
:documentation "Last x before maximize")
(last-y
:accessor last-y
:initform nil
:documentation "Last y before maximize")
(window-select-item
:accessor window-select-item
:initform nil
:documentation "Item in window select")
(on-window-can-close
:accessor on-window-can-close
:initform nil
:documentation "Return t to allow close of window")
(on-window-can-move
:accessor on-window-can-move
:initform nil
:documentation "Return t to allow move of window")
(on-window-can-size
:accessor on-window-can-size
:initform nil
:documentation "Return t to allow close of window")
(on-window-close
:accessor on-window-close
:initform nil
:documentation "Fired on window closed")
(on-window-move
:accessor on-window-move
:initform nil
:documentation "Fired during move of window")
(on-window-size
:accessor on-window-size
:initform nil
:documentation "Fired during size change of window")
(on-window-move-done
:accessor on-window-move-done
:initform nil
:documentation "Fired after move of window")
(on-window-size-done
:accessor on-window-size-done
:initform nil
:documentation "Fired after size change of window")))
;;;;;;;;;;;;;;;;;;;;;;
;; on-gui-drag-down ;;
;;;;;;;;;;;;;;;;;;;;;;
(defun on-gui-drag-down (obj data)
"Handle mouse down on drag items"
(let ((app (connection-data-item obj "clog-gui")))
(unless (in-drag app)
(setf (in-drag app) (attribute obj "data-drag-type"))
(let* ((target (gethash (attribute obj "data-drag-obj") (windows app)))
(pointer-x (getf data ':screen-x))
(pointer-y (getf data ':screen-y))
(obj-top)
(obj-left)
(perform-drag nil))
(when target
(setf (drag-obj app) target)
(cond ((equalp (in-drag app) "m")
(setf obj-top
(parse-integer (top (drag-obj app)) :junk-allowed t))
(setf obj-left
(parse-integer (left (drag-obj app)) :junk-allowed t))
(setf perform-drag (fire-on-window-can-move (drag-obj app))))
((equalp (in-drag app) "s")
(setf obj-top (height (drag-obj app)))
(setf obj-left (width (drag-obj app)))
(setf perform-drag (fire-on-window-can-size (drag-obj app))))
(t
(format t "Warning - invalid data-drag-type attribute")))
(setf (z-index (drag-obj app)) (incf (last-z app)))
(fire-on-window-change (drag-obj app) app)
(setf (drag-y app) (- pointer-y obj-top))
(setf (drag-x app) (- pointer-x obj-left)))
(cond (perform-drag
(set-on-pointer-move obj 'on-gui-drag-move)
(set-on-pointer-up obj 'on-gui-drag-stop))
(t
(setf (in-drag app) nil)))))))
;;;;;;;;;;;;;;;;;;;;;;
;; on-gui-drag-move ;;
;;;;;;;;;;;;;;;;;;;;;;
(defun on-gui-drag-move (obj data)
"Handle mouse tracking on drag object"
(let* ((app (connection-data-item obj "clog-gui"))
(x (getf data ':screen-x))
(y (getf data ':screen-y))
(adj-y (- y (drag-y app)))
(adj-x (- x (drag-x app))))
(when (and (> adj-x 0) (> adj-y menu-bar-height))
(cond ((equalp (in-drag app) "m")
(fire-on-window-move (drag-obj app))
(setf (top (drag-obj app)) (unit :px adj-y))
(setf (left (drag-obj app)) (unit :px adj-x)))
((equalp (in-drag app) "s")
(fire-on-window-size (drag-obj app))
(setf (height (drag-obj app)) (unit :px adj-y))
(setf (width (drag-obj app)) (unit :px adj-x)))))))
;;;;;;;;;;;;;;;;;;;;;;
;; on-gui-drag-stop ;;
;;;;;;;;;;;;;;;;;;;;;;
(defun on-gui-drag-stop (obj data)
"Handle end of drag object"
(let ((app (connection-data-item obj "clog-gui")))
(on-gui-drag-move obj data)
(set-on-pointer-move obj nil)
(set-on-pointer-up obj nil)
(cond ((equalp (in-drag app) "m")
(fire-on-window-move-done (drag-obj app)))
((equalp (in-drag app) "s")
(fire-on-window-size-done (drag-obj app))))
(setf (in-drag app) nil)
(setf (drag-obj app) nil)))
;;;;;;;;;;;;;;;;;;;;;;;
;; create-gui-window ;;
;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric create-gui-window (clog-obj &key title
content
left top width height
maximize
client-movement
html-id)
(:documentation "Create a clog-gui-window. If client-movement is t then
use jquery-ui to move/resize and will not work on mobile. When client-movement
is t only on-window-move is fired once at start of drag and on-window-move-done
at end of drag and on-window-resize at start of resize and
on-window-resize-done at end of resize."))
(defmethod create-gui-window ((obj clog-obj) &key (title "New Window")
(content "")
(left nil)
(top nil)
(width 300)
(height 200)
(maximize nil)
(client-movement nil)
(html-id nil))
(let ((app (connection-data-item obj "clog-gui")))
(unless html-id
(setf html-id (clog-connection:generate-id)))
(unless left
(setf left (last-x app))
(incf (last-x app) 10))
(unless top
(setf top (last-y app))
(incf (last-y app) top-bar-height)
(when (> top (- (inner-height (window (body app))) (last-y app)))
(setf (last-y app) menu-bar-height)))
(let ((win (create-child (body app)
(format nil
"<div style='position:fixed;top:~Apx;left:~Apx;width:~Apx;height:~Apx;
flex-container;display:flex;flex-direction:column;z-index:~A'
class='w3-card-4 w3-white w3-border'>
<div id='~A-title-bar' class='w3-container w3-black'
style='flex-container;display:flex;align-items:stretch;'>
<span data-drag-obj='~A' data-drag-type='m' id='~A-title'
style='flex-grow:9;user-select:none;cursor:move;'>~A</span>
<span id='~A-closer'
style='cursor:pointer;user-select:none;'>X</span>
</div>
<div id='~A-body' style='flex-grow:9;overflow:auto'>~A</div>
<div id='~A-sizer' style='user-select:none;height:3px;
cursor:se-resize;opacity:0'
class='w3-right' data-drag-obj='~A' data-drag-type='s'>+</div>
</div>"
top left width height (incf (last-z app)) ; outer div
html-id html-id html-id ; title bar
title html-id ; title
html-id content ; body
html-id html-id) ; size
:clog-type 'clog-gui-window
:html-id html-id)))
(setf (win-title win)
(attach-as-child win (format nil "~A-title" html-id)))
(setf (title-bar win)
(attach-as-child win (format nil "~A-title-bar" html-id)))
(setf (closer win) (attach-as-child win (format nil "~A-closer" html-id)))
(setf (sizer win) (attach-as-child win (format nil "~A-sizer" html-id)))
(setf (content win) (attach-as-child win (format nil "~A-body" html-id)))
(setf (gethash (format nil "~A" html-id) (windows app)) win)
(if maximize
(window-maximize win)
(fire-on-window-change win app))
(when (window-select app)
(setf (window-select-item win) (create-option (window-select app)
:content title
:value html-id)))
(set-on-double-click (win-title win) (lambda (obj)
(window-toggle-maximize win)))
(set-on-click (closer win) (lambda (obj)
(declare (ignore obj))
(when (fire-on-window-can-close win)
(window-close win))))
(cond (client-movement
(jquery-execute win
(format nil "draggable({handle:'#~A-title-bar'})" html-id))
(jquery-execute win "resizable({handles:'se'})")
(set-on-pointer-down (win-title win)
(lambda (obj data)
(declare (ignore obj) (ignore data))
(setf (z-index win) (incf (last-z app)))
(fire-on-window-change win app)))
(set-on-event win "dragstart"
(lambda (obj)
(declare (ignore obj))
(fire-on-window-move win)))
(set-on-event win "dragstop"
(lambda (obj)
(declare (ignore obj))
(fire-on-window-move-done win)))
(set-on-event win "resizestart"
(lambda (obj)
(declare (ignore obj))
(fire-on-window-size win)))
(set-on-event win "resizestop"
(lambda (obj)
(declare (ignore obj))
(fire-on-window-size-done win))))
(t
(set-on-pointer-down
(win-title win) 'on-gui-drag-down :capture-pointer t)
(set-on-pointer-down
(sizer win) 'on-gui-drag-down :capture-pointer t)))
win)))
;;;;;;;;;;;;;;;;;;
;; window-title ;;
;;;;;;;;;;;;;;;;;;
(defgeneric window-title (clog-gui-window)
(:documentation "Get/setf window title"))
(defmethod window-title ((obj clog-gui-window))
(inner-html (win-title obj)))
(defgeneric set-window-title (clog-gui-window value)
(:documentation "Set window title"))
(defmethod set-window-title ((obj clog-gui-window) value)
(when (window-select-item obj)
(setf (inner-html (window-select-item obj)) value))
(setf (inner-html (win-title obj)) value))
(defsetf window-title set-window-title)
;;;;;;;;;;;;;;;;;;;;
;; window-content ;;
;;;;;;;;;;;;;;;;;;;;
(defgeneric window-content (clog-gui-window)
(:documentation "Get window content element."))
(defmethod window-content ((obj clog-gui-window))
(content obj))
;;;;;;;;;;;;;;;;;;
;; window-focus ;;
;;;;;;;;;;;;;;;;;;
(defgeneric window-focus (clog-gui-window)
(:documentation "Set CLOG-GUI-WINDOW as focused window."))
(defmethod window-focus ((obj clog-gui-window))
(let ((app (connection-data-item obj "clog-gui")))
(setf (z-index obj) (incf (last-z app)))
(fire-on-window-change obj app)))
;;;;;;;;;;;;;;;;;;
;; window-close ;;
;;;;;;;;;;;;;;;;;;
(defgeneric window-close (clog-gui-window)
(:documentation "Close CLOG-GUI-WINDOW. on-window-can-close is not called."))
(defmethod window-close ((obj clog-gui-window))
(let ((app (connection-data-item obj "clog-gui")))
(remhash (format nil "~A" (html-id obj)) (windows app))
(remove-from-dom (window-select-item obj))
(remove-from-dom obj)
(fire-on-window-change nil app)
(fire-on-window-close obj)))
;;;;;;;;;;;;;;;;;;;;;
;; window-maximize ;;
;;;;;;;;;;;;;;;;;;;;;
(defgeneric window-maximize (clog-gui-window)
(:documentation "Set CLOG-GUI-WINDOW as maximized window."))
(defmethod window-maximize ((obj clog-gui-window))
(let ((app (connection-data-item obj "clog-gui")))
(window-focus obj)
(unless (last-width obj)
(setf (last-x obj) (left obj))
(setf (last-y obj) (top obj))
(setf (last-height obj) (height obj))
(setf (last-width obj) (width obj))
(setf (top obj) (unit :px menu-bar-height))
(setf (left obj) (unit :px 0))
(setf (width obj) (unit :vw 100))
(setf (height obj)
(- (inner-height (window (body app))) menu-bar-height))
(fire-on-window-size-done obj))))
;;;;;;;;;;;;;;;;;;;;;;
;; window-normalize ;;
;;;;;;;;;;;;;;;;;;;;;;
(defgeneric window-normalize (clog-gui-window)
(:documentation "Set CLOG-GUI-WINDOW as normalized window."))
(defmethod window-normalize ((obj clog-gui-window))
(window-focus obj)
(when (last-width obj)
(setf (width obj) (last-width obj))
(setf (height obj) (last-height obj))
(setf (top obj) (last-y obj))
(setf (left obj) (last-x obj))
(setf (last-width obj) nil)
(fire-on-window-size-done obj)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; window-toggle-maximize ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric window-toggle-maximize (clog-gui-window)
(:documentation "Toggle CLOG-GUI-WINDOW as maximize window."))
(defmethod window-toggle-maximize ((obj clog-gui-window))
(let ((app (connection-data-item obj "clog-gui")))
(window-focus obj)
(cond ((last-width obj)
(setf (width obj) (last-width obj))
(setf (height obj) (last-height obj))
(setf (top obj) (last-y obj))
(setf (left obj) (last-x obj))
(setf (last-width obj) nil))
(t
(setf (last-x obj) (left obj))
(setf (last-y obj) (top obj))
(setf (last-height obj) (height obj))
(setf (last-width obj) (width obj))
(setf (top obj) (unit :px menu-bar-height))
(setf (left obj) (unit :px 0))
(setf (width obj) (unit :vw 100))
(setf (height obj)
(- (inner-height (window (body app))) menu-bar-height))))
(fire-on-window-size-done obj)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-window-can-close ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-window-can-close (clog-gui-window handler)
(:documentation "Set the on-window-can-close HANDLER"))
(defmethod set-on-window-can-close ((obj clog-gui-window) handler)
(setf (on-window-can-close obj) handler))
(defgeneric fire-on-window-can-close (clog-gui-window)
(:documentation "Fire handler if set. (Private)"))
(defmethod fire-on-window-can-close ((obj clog-gui-window))
(if (on-window-can-close obj)
(funcall (on-window-can-close obj) obj)
t))
;;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-window-close ;;
;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-window-close (clog-gui-window handler)
(:documentation "Set the on-window-close HANDLER"))
(defmethod set-on-window-close ((obj clog-gui-window) handler)
(setf (on-window-close obj) handler))
(defgeneric fire-on-window-close (clog-gui-window)
(:documentation "Fire handler if set. (Private)"))
(defmethod fire-on-window-close ((obj clog-gui-window))
(when (on-window-close obj)
(funcall (on-window-close obj) obj)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-window-can-size ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-window-can-size (clog-gui-window handler)
(:documentation "Set the on-window-can-size HANDLER"))
(defmethod set-on-window-can-size ((obj clog-gui-window) handler)
(setf (on-window-can-size obj) handler))
(defgeneric fire-on-window-can-size (clog-gui-window)
(:documentation "Fire handler if set. (Private)"))
(defmethod fire-on-window-can-size ((obj clog-gui-window))
(if (on-window-can-size obj)
(funcall (on-window-can-size obj) obj)
t))
;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-window-size ;;
;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-window-size (clog-gui-window handler)
(:documentation "Set the on-window-size HANDLER"))
(defmethod set-on-window-size ((obj clog-gui-window) handler)
(setf (on-window-size obj) handler))
(defgeneric fire-on-window-size (clog-gui-window)
(:documentation "Fire handler if set. (Private)"))
(defmethod fire-on-window-size ((obj clog-gui-window))
(when (on-window-size obj)
(funcall (on-window-size obj) obj)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-window-size-done ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-window-size-done (clog-gui-window handler)
(:documentation "Set the on-window-size-done HANDLER"))
(defmethod set-on-window-size-done ((obj clog-gui-window) handler)
(setf (on-window-size-done obj) handler))
(defmethod fire-on-window-size-done ((obj clog-gui-window))
(when (on-window-size-done obj)
(funcall (on-window-size-done obj) obj)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-window-can-move ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-window-can-move (clog-gui-window handler)
(:documentation "Set the on-window-can-move HANDLER"))
(defmethod set-on-window-can-move ((obj clog-gui-window) handler)
(setf (on-window-can-move obj) handler))
(defgeneric fire-on-window-can-move (clog-gui-window)
(:documentation "Fire handler if set. (Private)"))
(defmethod fire-on-window-can-move ((obj clog-gui-window))
(if (on-window-can-move obj)
(funcall (on-window-can-move obj) obj)
t))
;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-window-move ;;
;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-window-move (clog-gui-window handler)
(:documentation "Set the on-window-move HANDLER"))
(defmethod set-on-window-move ((obj clog-gui-window) handler)
(setf (on-window-move obj) handler))
(defgeneric fire-on-window-move (clog-gui-window)
(:documentation "Fire handler if set. (Private)"))
(defmethod fire-on-window-move ((obj clog-gui-window))
(when (on-window-move obj)
(funcall (on-window-move obj) obj)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-window-move-done ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-window-move-done (clog-gui-window handler)
(:documentation "Set the on-window-move-done HANDLER"))
(defmethod set-on-window-move-done ((obj clog-gui-window) handler)
(setf (on-window-move-done obj) handler))
(defmethod fire-on-window-move-done ((obj clog-gui-window))
(when (on-window-move-done obj)
(funcall (on-window-move-done obj) obj)))
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